Auth bypass in Nextcloud Security-advisories
CVE-2024-22212
Nextcloud Global Site Selector is a tool which allows you to run multiple small Nextcloud instances and redirect users to the right server. A problem in the password verification method allows an attacker to authenticate as another user. I…
Vulnerability class: Broken Authentication
EPSS: 0.012 (78.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.7 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Nextcloud Security-advisories — versions >= 1.1.0, < 1.4.1, >= 2.0.0, < 2.1.2, >= 2.2.0, < 2.3.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vj5q-f63m-wp77 (x_refsource_CONFIRM)
- https://github.com/nextcloud/globalsiteselector/commit/ab5da57190d5bbc79079ce4109b6bcccccd893ee (x_refsource_MISC)
- https://hackerone.com/reports/2248689 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-22212?
- CVE-2024-22212 is a critical-severity vulnerability in Nextcloud Security-advisories, classified under Missing Authentication for Critical Function. CVSS score: 9.7/10. Published 2024-01-18.
- How severe is CVE-2024-22212?
- Critical severity. CVSS v3 base score is 9.7 out of 10.
- Is CVE-2024-22212 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.